《2025年家庭作业九年级英语上册人教版》

Ⅱ. 阅读表达
阅读下面短文，根据其内容填空和回答问题。
(1 至 4 题每题答案不超过 3 个单词，5 题须用完整句子回答。)
话题：大数据 难度：★★★ 建议用时：6'
Many of us have had the same “pleasant surprise”. After you mark a song as a favorite on a music app, it suggests songs of the same kind to listen to. In fact, this magic power depends on big data (数据).
Big data is a lot of sets of information that are put together so they can be used by a computer program. It can have different kinds of information from many sources (来源), such as information that comes from schools, companies, and governments. One set of data can have people's names and addresses. Another set can have their likes and dislikes.
Big data can be used in many places. The government uses it to understand how many people travel on buses or trains. The information is then used to make bus and train systems better. Companies use big data, too. It helps them understand who buys their products. For example, one company uses weather data to see when people eat the most ice - cream.
Big data can be used for good reasons. Some hospitals use data to see if a baby who is born too early will get sick. The hospital can then take steps to take care of that baby. Big data can also be used for other reasons. It can be used to see which kinds of people are likely to break the law or hurt others.
Why can big data be used for good and bad things? Because the computer programs used to look at big data are written by people. They think in a certain way, so they build a model of those ideas. These ideas are then used to look at the data. Sometimes, these ideas are helpful for people or business. Other times, bad ideas can cause problems for certain groups of people.
1. With the help of big data, a music app can suggest the same kind of songs after you mark a song as your favorite.
2. The big data is a lot of sets of information that are put together.
3. The big data helps the company understand who buys their products.
4. Because the computer programs used to look at big data are written by people, it can be used for good and bad things.
5. Do you like big data? Why or why not?
Yes, I do. Because it has wide application in different fields, such as business, healthcare, and technology.(答案不唯一,合理即可)

答案： Ⅱ .1.big data 2.sets of information 3.buys their products
4.good and bad
5.Yes, I do. Because it has wide application in different fields, such as business, healthcare, and technology.(答案不唯一,合理即可)